<template>
 <div class="about">
   <h2>大家好，欢迎来到尚硅谷直播间</h2>
 </div>
</template>

<script setup lang="ts" name="About">
import { onMounted,onUnmounted } from "vue";

onMounted(()=>{
    console.log("about 挂载上了");
})
onUnmounted(()=>{
    console.log("about 卸载了");
})
</script>

<style scoped>
.about {
 display: flex;
 justify-content: center;
 align-items: center;
 height: 100%;
 color: rgb(85, 84, 84);
 font-size: 18px;
}
</style>